EP2480106B1 - Mehrschichtige innensohle zur einpassung in schuhe und dergleichen - Google Patents
Mehrschichtige innensohle zur einpassung in schuhe und dergleichen Download PDFInfo
- Publication number
- EP2480106B1 EP2480106B1 EP10706744.9A EP10706744A EP2480106B1 EP 2480106 B1 EP2480106 B1 EP 2480106B1 EP 10706744 A EP10706744 A EP 10706744A EP 2480106 B1 EP2480106 B1 EP 2480106B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insole
- shoe
- damper element
- multilayer
- foot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 210000002683 foot Anatomy 0.000 description 22
- 230000006835 compression Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 208000002193 Pain Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 208000000491 Tendinopathy Diseases 0.000 description 1
- 206010043255 Tendonitis Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001144 postural effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 201000004415 tendinitis Diseases 0.000 description 1
- 210000003371 toe Anatomy 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
- A43B13/386—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process multilayered
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
- A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
Definitions
- the present invention relates to a multilayer insole to be fitted in footwear and the like, of the type specified in the preamble of claim 1.
- footwear items or shoes and the like are commonly formed with a sole, a vamp, an insole and a heel.
- the sole is the part of the shoe in contact with the ground and is usually made of leather, rubber or plastic;
- the vamp constitutes the part surrounding the foot at the upper part thereof from the heel to the toes;
- the heel represents a raised base portion present under the sole and placed at the foot heel;
- the insole is an element reproducing the shape of the foot and is placed internally of the shoe and, in particular, upon the sole and adjacent to the inner surface of the vamp.
- the shoe as any other type of garment, performs an action mainly of the containment and support type adapted to implement a protection means for protecting the foot from external agents, such as the cold and the wet, without hindering the foot movements and therefore the normal walking.
- a shoe must be first of all soft and flexible; it must not be hard and stiff and consequently must not represent too stiff a constraint for the foot, preventing natural movements thereof.
- This aspect may give rise to serious pathologies such as tendinitis, talalgias, periostitis, fatigue fractures, pains in the joints, particularly the feet, knees, ankles, back, and up to the cranium base.
- pathologies such as tendinitis, talalgias, periostitis, fatigue fractures, pains in the joints, particularly the feet, knees, ankles, back, and up to the cranium base.
- a study from the University Charite of Berlin shows that walking on flat surfaces is the primary cause of postural alterations.
- One of the solutions hitherto adopted contemplates use of air under pressure.
- at least one air-containing sealed bag is disposed inside the sole, which bag by becoming deformed allows said energy to be absorbed.
- the sole is provided with a bladder which is connected to the outside by a valve. While people are walking, the bladder is alternately compressed and expanded due to the weight force. This force creates an airflow through said valve and therefore a volume variation enabling said action to be damped.
- springs which are suitably disposed in the vicinity of the heel, which springs being subjected to the action of the weight, continuously vary their length and therefore generate an action adapted to limit the efforts exerted by the shoe on the foot.
- manufacture of an insole takes place by overlapping a multiplicity of layers on each other, each of them being designed in such a manner as to provide an appropriate comfort to the shoe user.
- Each layer is therefore made of a particular thickness and/or material depending on the action to be performed.
- the multilayer insoles currently present on the market are characterised by a low efficiency.
- the materials of which the multilayer insoles are made do not ensure a high comfort sensation, due to an unproper transpirable quality of the materials used.
- the technical task underlying the present invention is to devise a multilayer insole to be fitted in shoes and the like, capable of substantially obviating the mentioned drawbacks.
- Another important aim of the invention is to ensure a high comfort under any use condition of the shoe.
- a further aim of the invention is to make a structure that is efficient, of long duration and low cost.
- a not least aim of the invention is to devise a multilayer insole capable of suiting any type of shoes.
- the multilayer insole to be fitted in shoes and the like according to the invention is generally denoted at 1.
- the insole 1 absorbs the energy and vibrations that reach the user's foot through a sole 3, i.e. the portion of shoe 2 coming into contact with the ground.
- the sole 3 is formed with different elements and in particular it preferably comprises a plurality of inner blocks or inserts 4 and a component 5 which is provided with housings adapted to lodge said plurality of inserts 4.
- component 5 is internally secured to the lower portion of a vamp 6, i.e. the portion of shoe 2 surrounding the foot.
- Inserts 4 are preferably three in number: the two first 4a and 4b are made of absorbent material such as expanded-cell foams, and the third 4c made is of a polymeric material, such as polyvinylchloride.
- the first insert 4a is disposed in the front part of the sole, while the two others 4b-c are located at the rear of the sole 3, i.e. the region adapted to house the heel.
- insert 4c is preferably disposed between insert 4b and component 5.
- vamp 6 preferably a cloth 6a, a double cloth for example, is provided which is secured to the lower edge of the vamp, i.e. the edge that is adapted to come into contact with sole 3, and allows the inserts 4 to be maintained in the housings present in component 5.
- the multilayer insole 1 is therefore suitable to be disposed inside the shoe 2 and, in particular, it has the lower surface in contact with the double cloth 6a and the side surface in contact with vamp 6.
- a major extension surface 1a It extends along a major extension surface 1a and preferably comprises at least three layers, extending in the direction of surface 1a: a damper element 7, an upper layer 8 and a lower layer 9.
- the damper element 7 is a layer of a material that advantageously ensures passage of air and a high absorption capability.
- said material constituting the damper element 7 is preferably an open-cell foam of damping microcellular polyurethane material.
- this material is poron 62-red marketed by Rogers Corporation or a double layer comprising the aforesaid poron 62-red.
- the material used for the damper element 7 advantageously has a resiliency, i.e. the ability to resists impacts, equal to a value of about 4 if measured by an "ASTM D2632-92, Vertical Rebound” test and a 90%-compression recovery time included between 0.3 s and 2.5 s.
- 90%-compression recovery time it is intended the time required by the material, elastically deformed by a compression, to take back 90% of the volume lost due to the above action.
- a further feature of said material is a good shape memory enabling it to acquire the starting shape again, when the compression and expansion steps have been completed.
- the material is able to offer a good duration under any use condition of the shoe 2, also due to a good resistance to abrasion and wear.
- the damper element 7 is placed in the upper part of the multilayer insole 1.
- the element 7 is disposed in the vicinity of the insole 1 portion that, when said insole 1 is fitted in shoe 2, is in direct contact with the foot or with an upper layer 8 in contact with the foot.
- the damper element 7 substantially extends over the whole insole 1 in the direction of the major extension surface 1a and therefore substantially concerns the whole contact region between the insole 1 and the foot, as shown in Fig. 1 .
- the element 7 is a layer of greater thickness than the adjacent ones, included between 2 mm and 6 mm, preferably of about 3 mm.
- the upper layer 8 is disposed in the contact region between the foot and the insole 1 and is suitable to define the rest surface of the foot in the shoe 2.
- This upper layer 8 is made of natural leather or other similar material suitable to define a comfortable rest surface for the foot and to allow passage of air through the insole 1. Finally, said upper layer 8 has a thickness included between 0.5 mm and 1.5 mm, said thickness being substantially of 0.8 mm.
- the lower layer 9 is arranged in the lower part of the multilayer insole 1 and is housed under the damper element 7. This lower layer 9 therefore defines the surface of the multilayer insole 1 coming into contact with the inner part of the sole 2a of shoe 2 when the insole 1 is fitted inside the shoe.
- the lower layer 9 is preferably made of a polymeric material and, in particular, ethylene vinyl-acetate.
- At least one cavity 9a is formed in the front portion of said layer 9.
- a plurality of holes can be formed on the lower layer 9.
- the lower layer 9 contemplates the presence of a flange 10 in the upper surface, which flange 10 is integral with said layer 9 and is disposed on at least part of the perimeter of the multilayer insole 1, preferably on the edge surrounding the insole region designed to get into contact with the foot heel.
- Flange 10 is a border of such a height that it can receive the layers of the insole 1 overlying the lower layer 9 and such a thickness that a greater stability can be ensured to the user of a shoe 2 equipped with this insole 1.
- the flange 10 and lower layer 9 are preferably made of one piece construction.
- the multilayer insole 1 can be provided with an airbag 11 adapted to cover at least part of same and in particular that part of the insole 1 that will come into contact with the heel.
- the airbag 11 comprises two plates 11a mutually linked in such a manner as to define an air-containing sealed bladder which is preferably divided into two sub-bladders by a third plate 11b.
- plate 11b is a series of through holes 11c enabling an airflow to be created between said two sub-bladders and, therefore, the sub-bladder volume to be varied in such a manner as to at least partly absorb the impact of the shoe 2 on the ground.
- the insole 1 begins to get elastically deformed.
- the front portion of the damper element 7 starts becoming deformed and, as it is subjected to compression forces due to the user's weight, begins to compress and therefore to absorb the energy and vibrations resulting from the aforesaid contact.
- the particular selection of the material of which the damper element 7 is made allows the insole 1 to slowly recover its starting position, thereby minimising the energy and vibration discharge on the user's foot.
- This recovery time of element 7 is at all events sufficient for the insole 1 to have the element 7 fully decompressed at the time of the following step, so that it is ready to absorb energy again.
- the deformation of the damper element 7 and the airbag 11 allows the insole 1 to absorb any possible unevenness present on the ground.
- the invention achieves important advantages.
- the insole ensures a high ability to absorb the energy and vibrations arising at the moment the shoe 2 contacts the ground, as well as a high comfort.
- element 7 is made of a material allowing a 90%-compression recovery time sufficiently high, to such an extent that the return of energy to the foot is minimised, but at the same time to such an extent that the sole is allowed to appear again fully extended at the time of the following step, always ensuring a high damping ability.
- the materials of which the insole 1 is made ensure a high duration of said insole 1.
- the multilayer insole 1 offers a high comfort to the user, due to its capability of absorbing both the contact energy between shoe 2 and the ground and any possible unevenness of the ground.
- the sensation of comfort is further increased due to the capability of transpiration of the insole 1 that allows passage of an airflow adapted to enable optimal temperature and humidity values to be obtained inside shoe 2.
- a non negligible advantage of the invention is the fact that insole 1, due to the physico-mechanical features of the material of element 7, is able to suit the peculiar physiognomy of the user's foot.
- insole 1 is on the whole thin and therefore can be accommodated in any type of shoe 2, even in smart shoes.
- a further advantage concerns the low manufacturing costs of insole 1.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Claims (9)
- Mehrschichtige Innensohle (1) zur Einpassung in Schuhe (2), die entlang einer vorherrschenden Verlaufsfläche (1a) verläuft und mindestens ein Dämpfungselement (7) umfasst, das geeignet ist, den Aufprall des genannten Schuhs (2) auf den Boden abzuschwächen, im Wesentlichen über die Gesamtheit der genannten Sohle (1) in Richtung der genannten vorherrschenden Verlaufsfläche (1a) verläuft und im oberen Teil der genannten Sohle (1) angeordnet ist, dadurch gekennzeichnet, dass es sich bei dem genannten Dämpfungselement (7) um einen Schaum mit offenen Zellen aus dämpfendem Polyurethan-Mikrozellwerkstoff mit einer Dauer bis zur Rückkehr auf 90 % der Kompression zwischen 0,3 s und 2,5 s handelt, wobei das genannte Dämpfungselement (7) in der Nähe des Teils der Sohle angeordnet ist, der, wenn die Sohle (1) in den Schuh (2) eingesetzt ist, sich in direktem Kontakt mit dem Fuß oder mit einer oberen Schicht (8) in Kontakt mit dem Fuß befindet, wobei der genannte Werkstoff des genannten Dämpfungselements (7) eine Resilienz in Höhe eines Werts von ca. 4 aufweist, wenn diese mit einem Test des Typs "ASTM D2632-92, Vertical Rebound" gemessen wird.
- Mehrschichtige Innensohle (1) nach einem oder mehreren der vorangegangenen Ansprüche, bei der der genannte Werkstoff des genannten Dämpfungselements (7) geeignet ist, den Durchgang eines Luftstroms über das genannte Dämpfungselement (7) in senkrechter Richtung zu der genannten vorherrschenden Verlaufsfläche (1a) zu gestatten.
- Mehrschichtige Innensohle (1) nach einem oder mehreren der vorangegangenen Ansprüche, bei der das genannte Dämpfungselement (7) eine Stärke zwischen 2 mm und 6 mm aufweist.
- Mehrschichtige Innensohle (1) nach einem oder mehreren der vorangegangenen Ansprüche, die einen Airbag (11) im unteren Teil der genannten Innensohle (1) umfasst, der zwei Platten (11a), die geeignet sind, eine Luft enthaltende dichte Kammer zu definieren, und eine dritte, zwischen den beiden genannten Platten (11a) angeordnete Platte (11b) umfasst, die geeignet ist, die genannte Kammer in zwei Unterkammern zu unterteilen, und mit durchgehenden Öffnungen (11c) versehen ist, die geeignet sind, den Luftdurchlass zwischen den beiden genannten Unterkammern zu gestatten.
- Mehrschichtige Sohle (1) nach einem oder mehreren der vorangegangenen Ansprüche, die eine zwischen dem genannten Dämpfungselement (7) und dem genannten Airbag (11) angeordnete untere Schicht (9) umfasst, die geeignet ist, mit den genannten Schuhen (2) in Kontakt zu gelangen, und einen Flansch (10) auf mindestens einem Teil des Umfangs der genannten Innensohle (1) umfasst, der geeignet ist, die Stabilität eines Benutzers zu verbessern.
- Mehrschichtige Innensohle (1) nach Anspruch 5, bei der die genannten untere Schicht (9) einen Hohlraum (9a) umfasst, der geeignet ist, den Durchgang des genannten Luftstroms zwischen dem genannten Dämpfungselement (7) und dem genannten Airbag (11) zu gestatten.
- Mehrschichtige Innensohle (1) nach Anspruch 5 oder 6, bei der die genannte untere Schicht (9) aus Ethylen-Vinylacetat besteht.
- Mehrschichtige Innensohle (1) nach einem oder mehreren der vorangegangenen Ansprüchen, umfassend eine obere Schicht (8) aus Naturleder, die geeignet ist, über dem genannten Dämpfungselement (7) angeordnet zu werden und eine Auflagefläche für einen Fuß in den genannten Schuhen (2) zu definieren.
- Schuhe (2), umfassend eine mehrschichtige Innensohle (1) nach einem oder mehreren der vorangegangenen Ansprüche.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IDP00200900520 | 2009-09-25 | ||
PCT/IB2010/000208 WO2011036519A1 (en) | 2009-09-25 | 2010-02-03 | Multilayer insole to be fitted in footwear and the like |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2480106A1 EP2480106A1 (de) | 2012-08-01 |
EP2480106B1 true EP2480106B1 (de) | 2020-09-23 |
Family
ID=43733590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10706744.9A Active EP2480106B1 (de) | 2009-09-25 | 2010-02-03 | Mehrschichtige innensohle zur einpassung in schuhe und dergleichen |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP2480106B1 (de) |
KR (1) | KR20120100923A (de) |
CN (1) | CN102209477B (de) |
AU (1) | AU2010299605B2 (de) |
CA (1) | CA2782836A1 (de) |
IT (1) | IT1398298B1 (de) |
RU (1) | RU2540391C2 (de) |
WO (1) | WO2011036519A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101127039B1 (ko) * | 2011-09-29 | 2012-03-26 | 오성관 | 신발 및 이의 제조 방법 |
RU2546448C2 (ru) * | 2013-06-11 | 2015-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет технологий и управления" им. К.Г. Разумовского | Стелька с пониженным фреттинг износом |
TWI552694B (zh) * | 2013-11-22 | 2016-10-11 | Bo-Yue Li | High heels structure |
TWI552693B (zh) * | 2013-11-22 | 2016-10-11 | Bo-Yue Li | With the bottom of the shoe structure |
TWI552695B (zh) * | 2013-11-22 | 2016-10-11 | Bo-Yue Li | The structure of sports shoes |
PL240186B1 (pl) * | 2017-10-09 | 2022-02-28 | Bartek Spolka Akcyjna | Powiększający się spód obuwia z jednoelementową międzypodeszwą, zwłaszcza dla dzieci |
CN107568834A (zh) * | 2017-10-23 | 2018-01-12 | 国网吉林省电力有限公司电力科学研究院 | 一种适用于水电站低频全身振动的减振鞋垫 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4476258A (en) * | 1983-03-30 | 1984-10-09 | National Research Development Corporation | Energy absorbing polyurethane compositions |
EP1623642A1 (de) * | 2004-08-06 | 2006-02-08 | Schering-Plough Healthcare Products, Inc. | Auswechselbare Einlegesohle und Schuhwerk mit einer Innensohle |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2667935Y (zh) * | 2003-11-25 | 2005-01-05 | 郑秀康 | 呼吸、换气、除臭鞋垫 |
CN101198263B (zh) * | 2005-02-28 | 2011-02-09 | K·奥维茨 | 脚部矫形用具 |
CN2824625Y (zh) * | 2005-08-10 | 2006-10-11 | 约瑟夫·科恩 | 一种通风透气鞋垫 |
EP1797785A1 (de) * | 2005-12-19 | 2007-06-20 | Camp Scandinavia Ab | Orthopädische Schuheinlage |
TWM322745U (en) * | 2006-12-05 | 2007-12-01 | Ting-Jiun Chen | Pad for shoes |
UA33691U (uk) * | 2008-02-12 | 2008-07-10 | Олег Александрович Земнухов | Багатошарова лікувально-профілактична устілка для взуття |
CN201219542Y (zh) * | 2008-06-26 | 2009-04-15 | 李勇 | 双核呼吸鞋 |
-
2010
- 2010-02-03 RU RU2012113159/12A patent/RU2540391C2/ru not_active IP Right Cessation
- 2010-02-03 CA CA2782836A patent/CA2782836A1/en not_active Abandoned
- 2010-02-03 EP EP10706744.9A patent/EP2480106B1/de active Active
- 2010-02-03 WO PCT/IB2010/000208 patent/WO2011036519A1/en active Application Filing
- 2010-02-03 IT ITMI2010A000162A patent/IT1398298B1/it active
- 2010-02-03 AU AU2010299605A patent/AU2010299605B2/en not_active Ceased
- 2010-02-03 KR KR1020127009859A patent/KR20120100923A/ko not_active Application Discontinuation
- 2010-02-03 CN CN201080002856.2A patent/CN102209477B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4476258A (en) * | 1983-03-30 | 1984-10-09 | National Research Development Corporation | Energy absorbing polyurethane compositions |
EP1623642A1 (de) * | 2004-08-06 | 2006-02-08 | Schering-Plough Healthcare Products, Inc. | Auswechselbare Einlegesohle und Schuhwerk mit einer Innensohle |
Also Published As
Publication number | Publication date |
---|---|
RU2540391C2 (ru) | 2015-02-10 |
CA2782836A1 (en) | 2011-03-31 |
RU2012113159A (ru) | 2013-10-27 |
KR20120100923A (ko) | 2012-09-12 |
EP2480106A1 (de) | 2012-08-01 |
CN102209477B (zh) | 2015-08-19 |
ITMI20100162A1 (it) | 2011-03-26 |
WO2011036519A1 (en) | 2011-03-31 |
AU2010299605B2 (en) | 2016-08-25 |
CN102209477A (zh) | 2011-10-05 |
IT1398298B1 (it) | 2013-02-22 |
AU2010299605A1 (en) | 2012-05-03 |
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